<template>
  <t-notice-bar class="notice-bar-demo-block" visible content="默认状态公告栏默认状态公告栏"></t-notice-bar>
  <t-notice-bar
    class="notice-bar-demo-block"
    visible
    theme="success"
    content="成功状态公告栏成功状态公告栏"
  ></t-notice-bar>
  <t-notice-bar
    class="notice-bar-demo-block"
    visible
    theme="warning"
    content="警示状态公告栏警示状态公告栏"
  ></t-notice-bar>
  <t-notice-bar visible theme="error" content="错误状态公告栏错误状态公告栏"></t-notice-bar>
</template>
